![](https://maps2.yale-nus.edu.sg/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBaUlFIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--44f9cb78e360db479d9f9b4caae7c604dd26db51/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lNTkRBd2VETXdNQVk2QmtWVSIsImV4cCI6bnVsbCwicHVyIjoidmFyaWF0aW9uIn19--4aa45351b29d66457ec83216bd070c366d4da323/nlb-050000017.jpeg)
Oostkust Sumatra. Schetskaart der Siak Rivier van het Eiland Tengah tot Siak
1894
Indonesia
This late 19th century large-scale (1:30,000) map show just a section of the Siak River, in the Riau province of Sumatra. Bathymetry (water depth) is shown in figures to aid navigation, with various landmarks noted along the river’s banks.